From d6aa2757e6f1f22a0454333aea97f8f3959c90da Mon Sep 17 00:00:00 2001
From: Igor Dykhta <igorDykhta@users.noreply.github.com>
Date: Mon, 20 Jan 2025 16:45:49 +0200
Subject: [PATCH] [fix] fix neighbor mode hovering crash in arc/line layers
 (#2920)

Signed-off-by: Ihor Dykhta <dikhta.igor@gmail.com>
---
 src/layers/src/arc-layer/arc-layer.ts | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/layers/src/arc-layer/arc-layer.ts b/src/layers/src/arc-layer/arc-layer.ts
index 5095e72444..5a2c5af071 100644
--- a/src/layers/src/arc-layer/arc-layer.ts
+++ b/src/layers/src/arc-layer/arc-layer.ts
@@ -568,10 +568,14 @@ export default class ArcLayer extends Layer {
       objectInfo.index >= 0 &&
       this.dataContainer
     ) {
-      return {
-        index: objectInfo.index,
-        position: this.getPositionAccessor(this.dataContainer)(objectInfo)
-      };
+      // objectInfo.index can point to data of arcs created in neighbor mode, so get index to source data.
+      const hoveredObject = super.hasHoveredObject(objectInfo);
+      return hoveredObject
+        ? {
+            index: hoveredObject.index,
+            position: this.getPositionAccessor(this.dataContainer)({index: hoveredObject.index})
+          }
+        : null;
     }
 
     return super.hasHoveredObject(objectInfo);